* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

//去除 a 标签下划线和颜色
a {
  text-decoration: none;
  color: inherit;
}

ul, ol {
  list-style: none;
}

button, input {
  font: inherit;
}

:focus {
  outline: none;
}

h1, h2, h3, h4, h5, h6 {
  // 清除标题字体加粗效果
  font-weight: normal;
}